additive for drilling fluid

例句：

1. 1. The paint contains additives to make it easier to clean.
   油漆中含有添加剂，使其更容易清洁。
2. 2. The newdrug has an additive that helps fight cancer.
   这种新药含有一种有助于抗癌的添加剂。
3. 3. The food processor adds a variety ofingredients to create the final product.
   食品加工机添加各种成分来制作最终产品。